UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UENMdQaakmPuO1XzCYpTJQ7nmXFco6nc2mCpeiRDFKs=' 
WHERE 
  key_id = 'a806b2cc599a6a3232aeaa6e94ed24edf45f1053ea48f1c24bafc6d577fb8204' 
  AND (
    token = 'UENMdQaakmPuO1XzCYpTJQ7nmXFco6nc2mCpeiRDFKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )